采用调Q Nd:YAG激光倍频光(0.532μm)泵浦温度调谐MgO:LiNbO3晶体单、双谐振光参量振荡器(OPO包括DRO、SRO)的实验结果.双谐振(DRO)调谐范围达844.1~1411.3nm,最低泵浦阈值0.22mJ/pulse;单谐振(SRO)调谐范围达738.9~1032.2nm,最低泵浦阈值0.66mJ/pulse.最大能量转换效率为10.4%.